{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["work of art", "person", "money", "date", "ordinal", "product"], "input": "De Beers said that workers at five of the group 's mines were on strike , which it said was peaceful , with orderly picketing occurring at one of the mines ."}
{"work of art": [], "person": [], "money": [], "date": [], "ordinal": [], "product": []}